body {
  height: 100%;
  background-color: #efeded;
  padding: 0 !important;
  box-sizing: border-box;
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font: 14px Microsoft YaHei, Helvetica Neue, Helvetica, PingFang SC,
    Hiragino Sans GB, Arial, sans-serif;
  color: #666;
}

blockquote,
body,
button,
dd,
dl,
dt,
fieldset,
form,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
input,
legend,
li,
ol,
p,
pre,
td,
textarea,
th,
ul,
header,
footer,
span,
a {
  margin: 0;
  padding: 0;
}
#app {
  height: 100%;
}
@media screen and (max-width: 800px) {
  html,body{
    font-size:20px;
  }
}
